EP4570838A4 - MODIFIED POLYTETRAFLUORETHYLENE - Google Patents

MODIFIED POLYTETRAFLUORETHYLENE

Info

Publication number
EP4570838A4
EP4570838A4 EP23852639.6A EP23852639A EP4570838A4 EP 4570838 A4 EP4570838 A4 EP 4570838A4 EP 23852639 A EP23852639 A EP 23852639A EP 4570838 A4 EP4570838 A4 EP 4570838A4
Authority
EP
European Patent Office
Prior art keywords
polytetrafluorethylene
modified
modified polytetrafluorethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23852639.6A
Other languages
German (de)
French (fr)
Other versions
EP4570838A1 (en
Inventor
Hiroyuki Sato
Kenji Ichikawa
Taketo Kato
Taku Yamanaka
Emi Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP4570838A1 publication Critical patent/EP4570838A1/en
Publication of EP4570838A4 publication Critical patent/EP4570838A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F214/18—Monomers containing fluorine
    • C08F214/26—Tetrafluoroethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
EP23852639.6A 2022-08-10 2023-08-10 MODIFIED POLYTETRAFLUORETHYLENE Pending EP4570838A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022127919 2022-08-10
PCT/JP2023/029344 WO2024034677A1 (en) 2022-08-10 2023-08-10 Modified polytetrafluoroethylene

Publications (2)

Publication Number Publication Date
EP4570838A1 EP4570838A1 (en) 2025-06-18
EP4570838A4 true EP4570838A4 (en) 2026-08-05

Family

ID=89851688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23852639.6A Pending EP4570838A4 (en) 2022-08-10 2023-08-10 MODIFIED POLYTETRAFLUORETHYLENE

Country Status (6)

Country Link
US (1) US20250250372A1 (en)
EP (1) EP4570838A4 (en)
JP (1) JP7583316B2 (en)
CN (1) CN119654355A (en)
TW (1) TW202415687A (en)
WO (1) WO2024034677A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080020159A1 (en) * 2004-11-16 2008-01-24 Daikin Industries, Ltd. Modified Polytetrafluoroethylene Fine Powder and Modified Polytetrafluoroethyene Molded Product
US20090258958A1 (en) * 2007-10-04 2009-10-15 Ford Lawrence A Expandable TFE Copolymers, Methods of Making, and Porous, Expanded Articles Thereof
US20130122302A1 (en) * 2010-09-30 2013-05-16 Daikin Industries, Ltd. Process for producing polytetrafluoroethylene fine powder
US20130184401A1 (en) * 2010-09-30 2013-07-18 Daikin Industries, Ltd. Method for manufacturing fine polytetrafluoroethylene powder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136291A (en) 1974-09-09 1976-03-27 Daikin Ind Ltd HENSEITETORAFURUOROECHIREN JUGOTAI NO SEIZOHOHO
US4576869A (en) 1984-06-18 1986-03-18 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
JPH026832A (en) * 1988-06-24 1990-01-11 Daikin Ind Ltd Porous hollow fiber of polytetrafluoroethylene and production thereof
US6136933A (en) 1998-11-13 2000-10-24 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene
JP3900883B2 (en) 2001-10-05 2007-04-04 ダイキン工業株式会社 Method for producing fluoropolymer latex
WO2007046345A1 (en) 2005-10-17 2007-04-26 Asahi Glass Company, Limited Aqueous polytetrafluoroethylene emulsion, and polytetrafluoroethylene fine powder and porous material produced from the same
CN105218712B (en) 2009-03-30 2017-10-27 大金工业株式会社 A kind of manufacture method of polytetrafluoroethylene (PTFE)
CN104812781B (en) 2012-11-30 2018-10-16 大金工业株式会社 The manufacturing method of aqueous dispersion of polytetrafluoroethyland
CN111040058B (en) 2012-11-30 2022-10-25 大金工业株式会社 Process for producing aqueous polytetrafluoroethylene dispersion
EP3153527A4 (en) 2014-06-04 2017-11-29 Daikin Industries, Ltd. Method for producing fluoropolymer aqueous dispersion liquid
EP4026854A4 (en) 2019-09-05 2024-01-17 Daikin Industries, Ltd. AQUEOUS DISPERSION OF POLYTETRAFLUOROETHYLENE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080020159A1 (en) * 2004-11-16 2008-01-24 Daikin Industries, Ltd. Modified Polytetrafluoroethylene Fine Powder and Modified Polytetrafluoroethyene Molded Product
US20090258958A1 (en) * 2007-10-04 2009-10-15 Ford Lawrence A Expandable TFE Copolymers, Methods of Making, and Porous, Expanded Articles Thereof
US20130122302A1 (en) * 2010-09-30 2013-05-16 Daikin Industries, Ltd. Process for producing polytetrafluoroethylene fine powder
US20130184401A1 (en) * 2010-09-30 2013-07-18 Daikin Industries, Ltd. Method for manufacturing fine polytetrafluoroethylene powder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024034677A1 *

Also Published As

Publication number Publication date
JP7583316B2 (en) 2024-11-14
JP2024025763A (en) 2024-02-26
US20250250372A1 (en) 2025-08-07
CN119654355A (en) 2025-03-18
TW202415687A (en) 2024-04-16
WO2024034677A1 (en) 2024-02-15
EP4570838A1 (en) 2025-06-18

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